/*
 * Copyright (C) 2012 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package interactivespaces.activity.execution;

/**
 * A {@link Runnable} which handles activity method invocation properly.
 * 
 * @author Keith M. Hughes
 */
public class ActivityRunnable implements Runnable {
	
	/**
	 * The execution context for the runnable call.
	 */
	private ActivityExecutionContext executionContext;
	
	/**
	 * The target runnable.
	 */
	private Runnable runnable;

	public ActivityRunnable(ActivityExecutionContext executionContext,
			Runnable runnable) {
		this.executionContext = executionContext;
		this.runnable = runnable;
	}

	@Override
	public void run() {
		ActivityMethodInvocation invocation = executionContext.enterMethod();
		
		try {
			runnable.run();
		} finally {
			executionContext.exitMethod(invocation);
		}
	}
}
